/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.swagger.extend.property;

import java.util.ArrayList;
import java.util.List;

import io.swagger.models.Xml;
import io.swagger.models.properties.BaseIntegerProperty;

/**
 * copy from io.swagger.models.properties.IntegerProperty
 * to avoid so many repeated code.
 */
public abstract class AbstractBaseIntegerProperty<T> extends BaseIntegerProperty {
    protected T defaultValue;

    protected List<T> enumNames;

    public AbstractBaseIntegerProperty(String format) {
        super(format);
    }

    public AbstractBaseIntegerProperty<T> addEnum(T value) {
        if (this.enumNames == null) {
            this.enumNames = new ArrayList<T>();
        }
        if (!enumNames.contains(value)) {
            enumNames.add(value);
        }
        return this;
    }

    public AbstractBaseIntegerProperty<T> replaceEnum(List<T> value) {
        this.enumNames = value;
        return this;
    }

    public AbstractBaseIntegerProperty<T> xml(Xml xml) {
        this.setXml(xml);
        return this;
    }

    public AbstractBaseIntegerProperty<T> readOnly() {
        this.setReadOnly(Boolean.TRUE);
        return this;
    }

    protected abstract T parseNumber(String strValue);

    public AbstractBaseIntegerProperty<T> assignDefault(String defaultValue) {
        if (defaultValue != null) {
            try {
                this.defaultValue = parseNumber(defaultValue);
            } catch (NumberFormatException e) {
                // continue;
            }
        }
        return this;
    }

    public AbstractBaseIntegerProperty<T> assignDefault(T defaultValue) {
        this.setDefault(defaultValue);
        return this;
    }

    public AbstractBaseIntegerProperty<T> vendorExtension(String key, Object obj) {
        this.setVendorExtension(key, obj);
        return this;
    }

    public T getDefault() {
        return defaultValue;
    }

    public void setDefault(String defaultValue) {
        this.assignDefault(defaultValue);
    }

    public void setDefault(T defaultValue) {
        this.defaultValue = defaultValue;
    }

    public List<T> getEnum() {
        return enumNames;
    }

    public void setEnum(List<T> enums) {
        this.enumNames = enums;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((defaultValue == null) ? 0 : defaultValue.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (!super.equals(obj)) {
            return false;
        }
        if (!(obj instanceof AbstractBaseIntegerProperty)) {
            return false;
        }
        @SuppressWarnings("unchecked")
        AbstractBaseIntegerProperty<T> other = (AbstractBaseIntegerProperty<T>) obj;
        if (defaultValue == null) {
            if (other.defaultValue != null) {
                return false;
            }
        } else if (!defaultValue.equals(other.defaultValue)) {
            return false;
        }
        return true;
    }
}
